Tagfilter am Beispiel von Freiberg, Sachsen

In diesem Notebook wird gezeigt, wie der Stadtgraph zerklüftet, wenn er nach bestimmten Tags gefiltert wird.

Um einen Zusammenhängenden Graphen zu erhalten müssen die fehlenden Daten ergänzt werden.

Mehr Informationen zu den Beschreibungen der Szenarien finden Sie hier. Beschreibung Szenarien

cfg = ConfigObj(r"notebook.ini")

def analyse_scenario(city, cfg, scenario, override=False, with_speed=True, folder=None):

    simplify = cfr.get_simplify(cfg)

    # load city
    G_nx = oh.get_place(placename=city, simplify=simplify, graph_paths=["osm"],
                        clean_periphery=True,
                        file_identifier="", retain_all=True)

    # filter_graph by scenario
    filter_scenario = r4r.get_scenario_filter(cfg, scenario["name"])

    H_nx = G_nx.copy()
    H_nx = oh.filter_graph_by_dict(H_nx, filter_scenario, drop_nodes=False)

    return H_nx

scenarios = cfr.get_scenarios(cfg)
graphs = []
cities = cfr.get_cities(cfg)
city = cities[0]
for scenario in scenarios:
    # print(scenario.name)
    graph = analyse_scenario(city, cfg, scenario, override=True)
    graphs.append(graph)

for graph, scenario in zip(graphs, scenarios):
    print(scenario["name"])
    x = ox.plot_graph(graph, figsize=(12, 12), node_size=0)

Small

Medium

Medium-restricted

Large

Optimal

Plotter

G_nx = oh.get_place(placename=city, simplify=True, graph_paths=[Path("..", "osm").resolve()],
                    clean_periphery=True,
                    file_identifier="", retain_all=True, ox_cache=Path("..", "cache").resolve())

stats = oh.tag_stats(G_nx)

stats

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
Cell In[7], line 1
----> 1 G_nx = oh.get_place(placename=city, simplify=True, graph_paths=[Path("..", "osm").resolve()],
      2                     clean_periphery=True,
      3                     file_identifier="", retain_all=True, ox_cache=Path("..", "cache").resolve())
      5 stats = oh.tag_stats(G_nx)
      7 stats

TypeError: get_place() got an unexpected keyword argument 'ox_cache'

ox.plot_graph_folium(graph)

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nodes, edges = ox.graph_to_gdfs(graph)
nodes.explore()

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edges.explore()

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